From nobody Fri Dec 19 19:20:24 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.12 as permitted sender) smtp.mailfrom=bounce+27952+57851+1787277+3901457@groups.io; arc=fail (BodyHash is different from the expected one) Received: from web01.groups.io (web01.groups.io [66.175.222.12]) by mx.zohomail.com with SMTPS id 158757735927840.199487558726105; Wed, 22 Apr 2020 10:42:39 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id cQ8VYY1788612x9yV0dvZII4; Wed, 22 Apr 2020 10:42:38 -0700 X-Received: from NAM10-MW2-obe.outbound.protection.outlook.com (NAM10-MW2-obe.outbound.protection.outlook.com [40.107.94.87]) by mx.groups.io with SMTP id smtpd.web11.480.1587577358043605166 for ; Wed, 22 Apr 2020 10:42:38 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=YNymT1lK4p1OiwZ/cLaP8JpE+il6ttgP9HE8CX9HYnT8CfFElTIoG7WqpqSMd1Fklo++UuwmkLHeWUB4OeFnY8ngbWv9Ex0wIZT+TKw65OVBz7tQL7vctCzbQ1Q8ZjgSwx5mNQB4m/fxgYZV0boavd3xTyaCw1tyqlSOD+IfqWsagRxrsvbyugY6pVWWv6xwe/V8c72aJPhVtKUlHBT9prgzjf3j9sgMwRlbStqXLzejZdDJxuUmCHFffF6Bg9jJF0d9GLH4neFBEZL0ga2el/wnMvJADkyUl0C4I3ntNnOfX6qRHygDef2xvcFI7Odl0c2GHAYEDBKZw6j3xKPAwQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=dYADsZ5rPBjx2Efs4k+vpTkE6cTiXHLcfwNvRqlfQq0=; b=YKGNMYjr3xG3AJUiNZc/v0AOFge53L/IQksJUmsbjyyc5WW5oq/mYAVTT3asNfuSDJuvCBTyxmauAIW6BQi5obizOoaLmlY0ooKQwy9fJFr1tL19OXBzOcUINj2Azk+NoJS37cPtpfUjwXBSBOwSW59yrbFmCczwvAtN6WuhjDq0AgYfXUHMTexWqp9eUlmJYRTXClqX37o5CBh0pxgCbYA2Z6HzO6rK+ZkVTBjvmwd8RW3KW2KucVOjqpqIPoEodUIlBBAQVU2kknwhAKBZ3Vg+tlYFPu9QRupZD+o492Sl3XNlWq9Ru49XBtID+qOcmFbDWhyRhQHcKXXRa+XahQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none X-Received: from DM6PR12MB3163.namprd12.prod.outlook.com (2603:10b6:5:15e::26) by DM6PR12MB4580.namprd12.prod.outlook.com (2603:10b6:5:2a8::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2921.29; Wed, 22 Apr 2020 17:42:37 +0000 X-Received: from DM6PR12MB3163.namprd12.prod.outlook.com ([fe80::9ae:cb95:c925:d5bf]) by DM6PR12MB3163.namprd12.prod.outlook.com ([fe80::9ae:cb95:c925:d5bf%4]) with mapi id 15.20.2921.030; Wed, 22 Apr 2020 17:42:37 +0000 From: "Lendacky, Thomas" To: devel@edk2.groups.io Cc: Jordan Justen , Laszlo Ersek , Ard Biesheuvel , Michael D Kinney , Liming Gao , Eric Dong , Ray Ni , Brijesh Singh Subject: [edk2-devel] [PATCH v7 20/43] UefiCpuPkg/CpuExceptionHandler: Add support for INVD NAE events Date: Wed, 22 Apr 2020 12:41:35 -0500 Message-Id: In-Reply-To: References: X-ClientProxiedBy: DM5PR04CA0060.namprd04.prod.outlook.com (2603:10b6:3:ef::22) To DM6PR12MB3163.namprd12.prod.outlook.com (2603:10b6:5:15e::26) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-Received: from tlendack-t1.amd.com (165.204.77.1) by DM5PR04CA0060.namprd04.prod.outlook.com (2603:10b6:3:ef::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2937.13 via Frontend Transport; Wed, 22 Apr 2020 17:42:36 +0000 X-Originating-IP: [165.204.77.1] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 01becb9a-f1d2-490a-2383-08d7e6e48ba5 X-MS-TrafficTypeDiagnostic: DM6PR12MB4580:|DM6PR12MB4580: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6430; Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.12 as permitted sender) client-ip=66.175.222.12; envelope-from=bounce+27952+57851+1787277+3901457@groups.io; helo=web01.groups.io; Received-SPF: None (protection.outlook.com: amd.com does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData: fFb/f/NDHYKI7eUp6RanVGv5OkZJpt+QTKkQJdFNQzJwYWBIl1F9MWg5zcSAEYRBkf0qrGH5XqV/vZPyzCvAimYeHAyG/MWmZnbT7Gj3e+rP7u7Zr725ly6V96EBw719sH6q/G2zfzeYKTTFv5zmdQ== X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 01becb9a-f1d2-490a-2383-08d7e6e48ba5 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Apr 2020 17:42:36.8470 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: j/No9SaMe4rbnpw4B7oCd2nH430RKfo74rOMAjxqkOK3oiZpLTdx36kwWMWTWtDQcPK4NkILDQs6sR8d4LoNdw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4580 Precedence: Bulk List-Unsubscribe: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,thomas.lendacky@amd.com X-Gm-Message-State: sGLwYlS8EpSN5Jlxl3hgpSNKx1787277AA= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1587577358; bh=IstCbiV/y+I8og2PUFeFIeA2vxDeUayIa+NOUHslCSM=; h=Cc:Content-Type:Date:From:Reply-To:Subject:To; b=pg2t/hFHQQP3M/pAXgfeYxf+M2j9l8d16p72UyffFLJanDpgTfdKg5jN19RW+Pu2jG5 ax7ov9kGLqMskdd7QUWcgzTVfZ7mZ7u4qUzRzyq7DYe3bKeyA/ktJQ6vxeV8SlwDPk/iW OhuS+hJAxlgDn0i46UVybx1sh7NLk3T/NcE= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3D2198 Under SEV-ES, a INVD intercept generates a #VC exception. VMGEXIT must be used to allow the hypervisor to handle this intercept. Cc: Eric Dong Cc: Ray Ni Cc: Laszlo Ersek Signed-off-by: Tom Lendacky --- .../X64/ArchAMDSevVcHandler.c | 36 +++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchAMDSevVcHand= ler.c b/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchAMDSevVcHandler.c index 64db5eef128f..d42d84608854 100644 --- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchAMDSevVcHandler.c +++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchAMDSevVcHandler.c @@ -1155,6 +1155,38 @@ IoioExit ( return 0; } =20 +/** + Handle a INVD event. + + Use the VMGEXIT instruction to handle a INVD event. + + @param[in, out] Ghcb Pointer to the Guest-Hypervisor Communi= cation + Block + @param[in, out] Regs x64 processor context + @param[in] InstructionData Instruction parsing context + + @retval 0 Event handled successfully + @retval Others New exception value to propagate + +**/ +STATIC +UINT64 +InvdExit ( + IN OUT GHCB *Ghcb, + IN OUT EFI_SYSTEM_CONTEXT_X64 *Regs, + IN SEV_ES_INSTRUCTION_DATA *InstructionData + ) +{ + UINT64 Status; + + Status =3D VmgExit (Ghcb, SvmExitInvd, 0, 0); + if (Status) { + return Status; + } + + return 0; +} + /** Handle a CPUID event. =20 @@ -1330,6 +1362,10 @@ DoVcCommon ( NaeExit =3D CpuidExit; break; =20 + case SvmExitInvd: + NaeExit =3D InvdExit; + break; + case SvmExitIoioProt: NaeExit =3D IoioExit; break; --=20 2.17.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#57851): https://edk2.groups.io/g/devel/message/57851 Mute This Topic: https://groups.io/mt/73201916/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-